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resizabletimelinescrollbar: handle RATIONAL_MAX without overflow

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This commit is contained in:
itsmattkc
2020-11-30 08:59:53 +11:00
parent d82f484c4c
commit 2363f7057c
1 changed files with 13 additions and 8 deletions
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app/widget/resizablescrollbar/resizabletimelinescrollbar.cpp
+13 -8
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@@ -84,17 +84,22 @@ void ResizableTimelineScrollBar::paintEvent(QPaintEvent *event)
double ratio = scale_ * double(gr.width()) / double(this->maximum() + gr.width());
qDebug() << "Calculated ratio as:" << ratio << "from groove" << gr.width() << "vs max:" << this->maximum();
QPainter p(this);
if (points_->workarea()->enabled()) {
QColor workarea_color(this->palette().highlight().color());
workarea_color.setAlpha(128);
int in = qRound(ratio * TimeToScene(points_->workarea()->in()));
int out = qRound(ratio * TimeToScene(points_->workarea()->out()));
int length = qMax(1, out-in);
int64_t in = qMax(int64_t(0), qRound64(ratio * TimeToScene(points_->workarea()->in())));
int64_t out;
if (points_->workarea()->out() == RATIONAL_MAX) {
out = gr.width();
} else {
out = qMin(int64_t(gr.width()), qRound64(ratio * TimeToScene(points_->workarea()->out())));
}
int64_t length = qMax(int64_t(1), out-in);
p.fillRect(gr.x() + in,
0,
@@ -106,9 +111,9 @@ void ResizableTimelineScrollBar::paintEvent(QPaintEvent *event)
if (!points_->markers()->list().isEmpty()) {
QColor marker_color(0, 255, 0, 128);
foreach (TimelineMarker* marker, points_->markers()->list()) {
int in = qRound(ratio * TimeToScene(marker->time().in()));
int out = qRound(ratio * TimeToScene(marker->time().out()));
int length = qMax(1, out-in);
int64_t in = qRound64(ratio * TimeToScene(marker->time().in()));
int64_t out = qRound64(ratio * TimeToScene(marker->time().out()));
int64_t length = qMax(int64_t(1), out-in);
p.fillRect(gr.x() + in,
0,